
Exploit for CVE-2021-3156, a heap-based buffer overflow in sudo, enabling local privilege escalation to root on vulnerable systems.
The exploit of CVE-2021-3156. After an overnight researching, finally, I got it!
https://www.qualys.com/2021/01/26/cve-2021-3156/baron-samedit-heap-based-overflow-sudo.txt